FrostDateCheck

Winchester, KY 40392 Frost Dates

When can you plant in Winchester, KY?

Zone 7a

Around 04/20 is the usual last spring frost, about 235 days away. The first fall frost typically arrives around 10/19, about 182 frost-free days later.

Zone 7a (0 to 5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Winchester, not a forecast for this year.

What to do before the first frost

About 7 weeks of growing season left in Winchester before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Winchester's last frost

04/20 is the middle of 30 years of NOAA records, not a promise. Plant by 04/06 and you're betting against frost in roughly 9 years out of 10. 05/08 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Winchester compares

At roughly 182 frost-free days, Winchester places 24,088 of 40,283 ZIP codes in this dataset. Within KY, it ranks 768 of 909.

Learn more

local microclimates covers what one yard in Winchester can differ from the 40392 normal. zone vs. frost date covers why Zone 7a and Winchester's frost date answer different questions.